9982949 has 6 divisors (see below), whose sum is σ = 10096434. Its totient is φ = 9870720.

The previous prime is 9982939. The next prime is 9982957. The reversal of 9982949 is 9492899.

9982949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1677025 + 8305924 = 1295^2 + 2882^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9982949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9982897 and 9982906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8879 + ... + 9939.

It is an arithmetic number, because the mean of its divisors is an integer number (1682739).

Almost surely, 2^9982949 is an apocalyptic number.

It is an amenable number.

9982949 is a deficient number, since it is larger than the sum of its proper divisors (113485).

9982949 is an equidigital number, since it uses as much as digits as its factorization.

9982949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1158 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 9982949 is about 3159.5805101311. The cubic root of 9982949 is about 215.3209484539.

Subtracting from 9982949 its sum of digits (50), we obtain a palindrome (9982899).

The spelling of 9982949 in words is "nine million, nine hundred eighty-two thousand, nine hundred forty-nine".